/*
Consider the diophantine equation 1/a+1/b= p/10n with a, b, p, n positive integers and a ≤ b.
For n=1 this equation has 20 solutions that are listed below:
1/1+1/1=20/10
1/1+1/2=15/10
1/1+1/5=12/10
1/1+1/10=11/10
1/2+1/2=10/10

1/2+1/5=7/10
1/2+1/10=6/10
1/3+1/6=5/10
1/3+1/15=4/10
1/4+1/4=5/10

1/4+1/20=3/10
1/5+1/5=4/10
1/5+1/10=3/10
1/6+1/30=2/10
1/10+1/10=2/10

1/11+1/110=1/10
1/12+1/60=1/10
1/14+1/35=1/10
1/15+1/30=1/10
1/20+1/20=1/10

How many solutions has this equation for 1 ≤ n ≤ 9?

Anser:
Time:
*/
package main

import (
	"fmt"
	"time"
)

func main() {
	tstart := time.Now()



	tend := time.Now()
	fmt.Println(tend.Sub(tstart))
}